The Menace of Tuncao: Allergy Relief and Its Invasive Nature

December 27, 2023

Chinese herbal medicine "Tuncao" is a highly invasive and malignant weed known as the killer of the plant kingdom. It absorbs ammonia and phosphorus from the soil, grows rapidly, and poses a strong threat. What should I do if I am allergic to Tuncao?

Image of Tuncao
Image of Tuncao
 

【Try the following remedies for Tuncao allergy relief】

Remedy 1

For allergic purpura caused by Tuncao allergy, Chinese herbal medicine can be consumed.

For the type of external invasion of wind and heat, use mulberry leaves, chrysanthemum flowers, honeysuckle, forsythia, herbal charcoals, gardenia, rehmannia, red peony, cypress leaves, thistle, lotus stem charcoal. Expel wind, clear heat, cool blood, and stop bleeding.

Remedy 2

For the type of spleen and stomach damp-heat, use hoelen skin, white atractylodes, scutellaria, gardenia, herbs of agrimony, rehmannia, ophiopogon, alisma, bamboo leaves, lithospermum charcoal, raw licorice. Clear the spleen and eliminate dampness.

Remedy 3

For the type of wind-dampness invasion of the meridians, use angelica root, rhizoma atractylodis, saposhnikovia, achyranthes root, radix saposhnikoviae, ligusticum chuanxiong, coix seed, clematis, red peony, chuanxiong rhizome, pearl barley, seashore vitex. Expel wind and eliminate dampness.

【The strong regenerative ability of Tuncao】

Stems, nodes, branches, and roots can all grow new roots. After cutting and inserting cuttings, new plants can be formed. The remaining above-ground residues after removal and cutting can still quickly regenerate new shoots. The growth period is uneven and overlapping.

The emergence period starts from mid to late March and lasts for 7 months until late November. The early and late maturing types of Tuncao have a difference of more than one month in their growth periods. This is the direct reason for the irregular growth period and overlapping.

As a malignant weed, Tuncao also shows strong vitality and high reproductive capacity. A single Tuncao plant can produce thousands of seeds, and it can spread everywhere with the help of wind, humans, livestock, birds, and water flow. Broken Tuncao can grow more new branches from its roots.

【The difference between Tuncao and Artemisia annua】

1. Appearance

Tuncao looks similar to Artemisia annua, but the difference is that the back of Artemisia annua leaves has grayish-white short hairs, and all the leaves are opposite, while Tuncao leaves are dark green on the upper side and light green on the back, with short rough hairs on both sides.

2. Smell

When smelling Artemisia annua branches and leaves, there is a distinctive strong fragrance, while Tuncao has a repulsive grassy odor. Tuncao is easily confused with Artemisia annua, but Tuncao has certain harm to cultivated plants, wild plants, and human health.

It is understood that Tuncao is strongly invasive and harms crops and various annual grasses such as the Asteraceae and Poaceae families. It can release various substances that inhibit the normal growth and development of cultivated crops and wild plants.

Its pollen contains allergens, which can cause "hay fever" harmful to human health. Mild symptoms include coughing and asthma, while severe symptoms can cause emphysema, even life-threatening.

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